As described in historical dictionaries

Patronymica Britannica (1860)

NEILSON.* " Three brothers of the sirname of Oneal, came from Ireland to Scotland, in the reign of Robert the Bruce, where they got lands for their valour, and their issue changed their name a little from Oneal to Neilsou ; for Oneal and M'Neil are the same with Ncilson." jSTisbet. The first occurrence of the name noted by this author is in 1439, in Galloway.

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.


Surname type: From given name or forename

Origin: Celtic

Region of origin: British Isles

Country of origin: Scotland

Religion of origin: Christian

Language of origin: Gaelic

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